Therapeutic drugs that block dopamine receptors are most likely to reduce
a. hallucinations.
b. depression.
c. agoraphobia.
d. generalized anxiety disorder.
Ans: a. hallucinations.
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At tennis camp, Emma is capable of hitting tennis balls that come at her at high rates of speed. It takes Olivia longer to respond, and because of this, she sometimes misses the ball. The difference between Emma and Olivia is in their
a. reaction time. b. reaction time. c. gross motor activation time. d. response rate.
A researcher exposes people to a stressful situation (such as public speaking) to examine the effect of stress on depressed mood. The researcher includes a measure of stress as a ____
a. measure of the dependent variable b. measure of extraneous variables c. control for confounding variables d. manipulation check
Ivana is a college student who has developed a tolerance to heroin and experiences withdrawal symptoms whenever she doesn't have a "fix" at least every eight hours. She feels that she has lost control and has to organize her life around her habit. She would be classified as having
a. substance abuse. b. substance dependence. c. substance use. d. no diagnosable problem, according to the American Psychiatric Association.
Which of the following is NOT a category of psychological disorder?
a. Cognitive b. Anxiety c. Mood d. Eating